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发明名称
Sewage treatment
摘要
申请公布号
US2078260(A)
申请公布日期
1937.04.27
申请号
US19360064450
申请日期
1936.02.18
申请人
LANCASTER IRON WORKS, INC.
发明人
MALLORY EDWARD B.
分类号
C02F3/28
主分类号
C02F3/28
代理机构
代理人
主权项
地址
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